Punch press die blank



FIG. 1 is a perspective view of a punch press die blank showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view and the left and right side elevational views being the same as said front elevational view;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter. 

I claim the ornamental design for a punch press die blank, as shown and described. 